哈威LHK系列平衡阀
哈威LHK系列平衡阀LHK44G-21-180/180LHK44G-21-250/250LHK44F-21-180/180LHK44F-21-250/250LHK33G-21-320/320LHK33G-11-230LHK22G-11H-180LHK33G-15C-250/220LHK33G-25WD-280/280-260/260LHK22G–21-220/220LHK44F-21-180/180LHK21-180LHK30V-260LHK447–120LHK33G-14WLHK44G-14W选型参考http://.cn/catalog/D7100-cn.pdf)